#text-processing

YAML 1.2 compliant parser in pure Rust with strict compliance, comment and style support, no-std support, and spans for parser events. It accepts many real-world YAML documents from the YAML 1.1 era where the syntax overlaps with YAML 1.2

High-performance Markdown and MDX processing for the JavaScript ecosystem

Modules to convert numbers to words. 42 --> forty-two

A pure Rust Excel/OpenDocument SpreadSheets file reader: rust on metal sheets

Pure Rust PDF library for AI/RAG: structure-aware chunking, no ML, no C deps.

EKS cluster upgrade guidance

An efficient and powerful Rust library for word wrapping text.

Run AI models on Apple Silicon and Raspberry Pi

Detect and redact secrets before they reach logs, storage, or LLM context. Deterministic Rust core for JavaScript, Python, Rust, and WebAssembly.

Foundational low latency web data collecting in Rust

A modernized, complete, self-contained TeX/LaTeX engine, powered by XeTeX and TeXLive.

Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

Open-source document framework

Fast Rust engine for detecting and redacting PII and secrets — in prompts, code, and databases. OpenAI-compatible gateway, Postgres scanner, CLI, and WASM. 32× Presidio. Apache-2.0.

Blazing fast HTML to PDF engine built on blitz and krilla

A Gecko-oriented implementation of the Encoding Standard in Rust

Python library for creating PEG parsers

Context engineering for AI agents. ~80% fewer tokens. Fix tool overload. Skills and memory with in-process BM25 and semantic retrieval. Progressive Disclosure. No vector DB.

Experimental extractors, middleware, and other extras for possible inclusion in Actix Web.

HTML parsing and querying with CSS selectors

Source code spell checker for Visual Studio Code, Neovim and other LSP clients

Bindings for RE2: fast, safe alternative to backtracking regular expression engines.

SQL Runtime without any database

🍞 no_std Unicode case folding comparisons

Local proxy that compresses your LLM API requests so you pay less, with no change to the answers. Trims wasted tokens from prompts, history, tool output, and code before they're sent: -31% input / -74% output, measured live. Any provider, no extra model calls. Also an MCP server and embeddable library (Rust, Python, Ruby, Kotlin, Swift, JS/TS).

Rust crate for working with Unified Font Object files

Typed, audited, zero-allocation-bound frontmatter parser for Rust — YAML/TOML/JSON extraction, SEO meta tag emission, supply-chain attested (cargo-vet, SBOM, RUSTSEC). WASI-bound roadmap.

A pure rust library for reading and writing spreadsheet files

Julia language server, formatter, and linter built in Rust

Library used by Meilisearch to tokenize queries and documents